< Topic >The installation removal to the deformation pawl being easy, offering pawl reform tool and the pawl reform remedy set where furthermore, it is difficult to come off from the pawl, proper and uniform orthodontic force can obtain, also the pain of the patient can lighten. SolutionsThe barrel from one end of 11 which was formed to tubed by the material which possesses elasticity and barrel 11 applying on the other end, paralleling to the longitudinal direction of barrel, 11 it is formed, is inserted by the Tip edge of pawl and 1 it has with the slit 21 which pawl 1 holding is done. It is split by multiple into the longitudinal direction of the barrel in barrel 11 according to lap the direction of barrel, 11 was formed by the split channel 12 which from slit 21 puts the slit and the concatenated piece 14 which concatenates the holding gearwheel piece 13 which it adjoins holding gearwheel piece in the opposite side of 13 of the multiple opposites which the Tip edge of the pawl holding are done and the slit is formed. < Choice figure >Drawing 1【課題】変形爪への取り付け取り外しが容易で、しかも、爪から外れにくく、適正かつ均一な矯正力が得られ、患者の痛みも軽減できる爪矯正具および爪矯正治療セットを提供。【解決手段】弾性を有する材料によって筒状に形成された筒体11と、筒体11の一端から他端にかけて筒体11の長手方向に沿って形成され、爪1の先端縁に差し込まれて爪1を挟持するスリット21とを備える。筒体11には、スリット21から筒体11の周方向に沿って形成された分割溝12によって筒体の長手方向に複数に分割され、スリットを挟んで爪の先端縁を挟持する複数対の挟持歯片13と、スリットの反対側において隣接する挟持歯片13を連結する連結片14とが形成されている。【選択図】図1
